"Tue, 18 Jun 2024 08:43:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
08:43:38
General datetime
2024-06-18 08:43:38Z
For Database
2024-06-18 08:43:38
For HTTP1.1
Tue, 18 Jun 2024 08:43:38 GMT